12221200211 has 8 divisors (see below), whose sum is σ = 13354189824. Its totient is φ = 11091872520.

The previous prime is 12221200207. The next prime is 12221200219. The reversal of 12221200211 is 11200212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221200211 - 2² = 12221200207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221200219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908495 + ... + 921848.

It is an arithmetic number, because the mean of its divisors is an integer number (1669273728).

Almost surely, 2^12221200211 is an apocalyptic number.

12221200211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12221200211 is a deficient number, since it is larger than the sum of its proper divisors (1132989613).

12221200211 is a wasteful number, since it uses less digits than its factorization.

12221200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830961.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221200211 its reverse (11200212221), we get a palindrome (23421412432).

The spelling of 12221200211 in words is "twelve billion, two hundred twenty-one million, two hundred thousand, two hundred eleven".